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   <div id="projectname">VectSharp<span id="projectnumber">&#160;2.6.1</span>
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   <div id="projectbrief">A light library for C# vector graphics</div>
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<div class="header">
  <div class="headertitle"><div class="title">Colour.cs</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">    VectSharp - A light library for C# vector graphics.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">    Copyright (C) 2020-2022 Giorgio Bianchini</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">    This program is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">    it under the terms of the GNU Lesser General Public License as published by</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">    the Free Software Foundation, version 3.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">    This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">    GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"></span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">    You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">    along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">*/</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="keyword">using </span>System;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="keyword">using </span>System.Diagnostics;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="keyword">using </span>System.Diagnostics.Contracts;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespace_vect_sharp.html">VectSharp</a></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>{<span class="comment"></span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">    /// Represents an RGB colour.</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"></span>    [DebuggerDisplay(<span class="stringliteral">&quot;{DebuggerDisplay,nq}&quot;</span>)]</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html">   28</a></span>    <span class="keyword">public</span> <span class="keyword">partial struct </span><a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> : IEquatable&lt;Colour&gt;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">        /// Red component of the colour. Range: [0, 1].</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">   33</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"></span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">        /// Green component of the colour. Range: [0, 1].</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">   38</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"></span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment">        /// Blue component of the colour. Range: [0, 1].</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">   43</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"></span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">        /// Alpha component of the colour. Range: [0, 1].</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">   48</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>        <span class="keyword">private</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(<span class="keywordtype">double</span> r, <span class="keywordtype">double</span> g, <span class="keywordtype">double</span> b, <span class="keywordtype">double</span> a)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>        {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>            <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> = r;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>            <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> = g;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>            <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> = b;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>            <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a> = a;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>        }</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"></span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment">        /// Create a new colour from RGB (red, green and blue) values.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components and an alpha component of 1.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">   65</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">FromRgb</a>(<span class="keywordtype">double</span> r, <span class="keywordtype">double</span> g, <span class="keywordtype">double</span> b)</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>        {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r, g, b, 1);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>        }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">        /// Create a new colour from RGB (red, green and blue) values.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components and an alpha component of 1.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a611fe30e3066c79106d7b7aeaec38f57">   77</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a611fe30e3066c79106d7b7aeaec38f57">FromRgb</a>(<span class="keywordtype">byte</span> r, <span class="keywordtype">byte</span> g, <span class="keywordtype">byte</span> b)</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>        {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, 1);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>        }</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"></span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">        /// Create a new colour from RGB (red, green and blue) values.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components and an alpha component of 1.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a976b67231d8f9fa1e8636d27f7d840c3">   89</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a976b67231d8f9fa1e8636d27f7d840c3">FromRgb</a>(<span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>        {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, 1);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>        }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"></span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The alpha component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">  102</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(<span class="keywordtype">double</span> r, <span class="keywordtype">double</span> g, <span class="keywordtype">double</span> b, <span class="keywordtype">double</span> a)</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>        {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r, g, b, a);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>        }</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment"></span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The alpha component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt;&lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#abbc0931103077c92cd2e08d3fbe4806b">  115</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#abbc0931103077c92cd2e08d3fbe4806b">FromRgba</a>(<span class="keywordtype">byte</span> r, <span class="keywordtype">byte</span> g, <span class="keywordtype">byte</span> b, <span class="keywordtype">byte</span> a)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        {</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, a / 255.0);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        }</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"></span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The alpha component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a3d890c9efeae548a18e00ae396f7789c">  128</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a3d890c9efeae548a18e00ae396f7789c">FromRgba</a>(<span class="keywordtype">byte</span> r, <span class="keywordtype">byte</span> g, <span class="keywordtype">byte</span> b, <span class="keywordtype">double</span> a)</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>        {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, a);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>        }<span class="comment"></span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The alpha component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a781c5f8f24851eb327b75b0c17a2a959">  140</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a781c5f8f24851eb327b75b0c17a2a959">FromRgba</a>(<span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b, <span class="keywordtype">int</span> a)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>        {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, a / 255.0);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>        }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment"></span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">        /// &lt;param name=&quot;r&quot;&gt;The red component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">        /// &lt;param name=&quot;g&quot;&gt;The green component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The blue component of the colour. Range: [0, 255].&lt;/param&gt;</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The alpha component of the colour. Range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a5ae01d2810757c45611de9c02d11d359">  153</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a5ae01d2810757c45611de9c02d11d359">FromRgba</a>(<span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b, <span class="keywordtype">double</span> a)</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>        {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(r / 255.0, g / 255.0, b / 255.0, a);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>        }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment"></span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">        /// Create a new colour from RGBA (red, green, blue and alpha) values.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">        /// &lt;param name=&quot;colour&quot;&gt;A &lt;see cref=&quot;ValueTuple{Int32, Int32, Int32, Double}&quot;/&gt; containing component information for the colour. For r, g, and b, range: [0, 255]; for a, range: [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a2588faa7d3c92467f715db1fff82e214">  163</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a2588faa7d3c92467f715db1fff82e214">FromRgba</a>((<span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b, <span class="keywordtype">double</span> a) colour)</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>        {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>(colour.r / 255.0, colour.g / 255.0, colour.b / 255.0, colour.a);</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>        }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment"></span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a114451c549f2636cb93a20aaa0519d8a">  169</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a114451c549f2636cb93a20aaa0519d8a">Equals</a>(<span class="keywordtype">object</span> obj)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>        {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>            <span class="keywordflow">if</span> (!(obj is <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>))</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>            {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>            }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>            {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>                <span class="keywordflow">return</span> this.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a114451c549f2636cb93a20aaa0519d8a">Equals</a>((Colour)obj);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>            }</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment"></span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#ab1748b8f2f362494aa2175efa15f886a">  182</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ab1748b8f2f362494aa2175efa15f886a">Equals</a>(<a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> col)</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>        {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>            <span class="keywordflow">return</span> col.R == this.R &amp;&amp; col.G == this.G &amp;&amp; col.B == this.B &amp;&amp; col.A == this.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>        }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment"></span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#ab7f6945a159dbb984e9fb1148c6db532">  188</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ab7f6945a159dbb984e9fb1148c6db532">operator ==</a>(<a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> col1, <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> col2)</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>        {</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>            <span class="keywordflow">return</span> col1.R == col2.R &amp;&amp; col1.G == col2.G &amp;&amp; col1.B == col2.B &amp;&amp; col1.A == col2.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a>;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>        }</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment"></span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a0e7aca2b6d5ca6a18ec9090b2ea54e63">  194</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a0e7aca2b6d5ca6a18ec9090b2ea54e63">operator !=</a>(<a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> col1, <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> col2)</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>        {</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>            <span class="keywordflow">return</span> col1.R != col2.R || col1.G != col2.G || col1.B != col2.B || col1.A != col2.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>        }</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment"></span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a54a2e4dac2e76d24394fe9d40117fae9">  200</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a54a2e4dac2e76d24394fe9d40117fae9">GetHashCode</a>()</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>            <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(this.R * 255 + this.G * 255 * 255 + this.B * 255 * 255 * 255 + this.A * 255 * 255 * 255 * 255);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        }</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment"></span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">        /// Convert the &lt;see cref=&quot;Colour&quot;/&gt; object into a hex string that is constituted by a &quot;#&quot; followed by two-digit hexadecimal representations of the red, green and blue components of the colour (in the range 0x00 - 0xFF).</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">        /// Optionally also includes opacity (alpha channel) data.</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">        /// &lt;param name=&quot;includeAlpha&quot;&gt;Whether two additional hex digits representing the colour&#39;s opacity (alpha channel) should be included in the string.&lt;/param&gt;</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">        /// &lt;returns&gt;A hex colour string.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a2ac682d76a238254e3d750254820a9af">  211</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">string</span> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a2ac682d76a238254e3d750254820a9af">ToCSSString</a>(<span class="keywordtype">bool</span> includeAlpha)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>        {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>            <span class="keywordflow">if</span> (includeAlpha)</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>            {</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>                <span class="keywordflow">return</span> <span class="stringliteral">&quot;#&quot;</span> + ((int)Math.Round(<span class="keyword">this</span>.R * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>) + ((int)Math.Round(<span class="keyword">this</span>.G * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>) + ((int)Math.Round(<span class="keyword">this</span>.B * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>) + ((int)Math.Round(<span class="keyword">this</span>.A * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>);</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>            }</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>            {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>                <span class="keywordflow">return</span> <span class="stringliteral">&quot;#&quot;</span> + ((int)Math.Round(<span class="keyword">this</span>.R * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>) + ((int)Math.Round(<span class="keyword">this</span>.G * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>) + ((int)Math.Round(<span class="keyword">this</span>.B * 255)).ToString(<span class="stringliteral">&quot;X2&quot;</span>);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>            }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>        }</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment"></span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">        /// Convert a CSS colour string into a &lt;see cref=&quot;Colour&quot;/&gt; object.</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">        /// &lt;param name=&quot;cssString&quot;&gt;The CSS colour string. In addition to 148 standard colour names (case-insensitive), #RGB, #RGBA, #RRGGBB and #RRGGBBAA hex strings and rgb(r, g, b) and rgba(r, g, b, a) functional colour notations are supported.&lt;/param&gt;</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">        /// &lt;returns&gt;&lt;/returns&gt;</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a4c316cac2ed75e622e2f86c608cc8abe">  228</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>? <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a4c316cac2ed75e622e2f86c608cc8abe">FromCSSString</a>(<span class="keywordtype">string</span> cssString)</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>        {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>            <span class="keywordflow">if</span> (cssString.StartsWith(<span class="stringliteral">&quot;#&quot;</span>))</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>            {</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>                cssString = cssString.Substring(1);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>                <span class="keywordflow">try</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>                {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>                    <span class="keywordflow">if</span> (cssString.Length == 3)</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>                    {</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>                        <span class="keywordtype">byte</span> r = <span class="keywordtype">byte</span>.Parse(cssString.Substring(0, 1) + cssString.Substring(0, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>                        <span class="keywordtype">byte</span> g = <span class="keywordtype">byte</span>.Parse(cssString.Substring(1, 1) + cssString.Substring(1, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>                        <span class="keywordtype">byte</span> b = <span class="keywordtype">byte</span>.Parse(cssString.Substring(2, 1) + cssString.Substring(2, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>                        <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">FromRgb</a>(r, g, b);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>                    }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cssString.Length == 4)</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>                    {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>                        <span class="keywordtype">byte</span> r = <span class="keywordtype">byte</span>.Parse(cssString.Substring(0, 1) + cssString.Substring(0, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>                        <span class="keywordtype">byte</span> g = <span class="keywordtype">byte</span>.Parse(cssString.Substring(1, 1) + cssString.Substring(1, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>                        <span class="keywordtype">byte</span> b = <span class="keywordtype">byte</span>.Parse(cssString.Substring(2, 1) + cssString.Substring(2, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>                        <span class="keywordtype">byte</span> a = <span class="keywordtype">byte</span>.Parse(cssString.Substring(3, 1) + cssString.Substring(3, 1), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>                        <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(r, g, b, a);</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>                    }</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cssString.Length == 6)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>                    {</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>                        <span class="keywordtype">byte</span> r = <span class="keywordtype">byte</span>.Parse(cssString.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>                        <span class="keywordtype">byte</span> g = <span class="keywordtype">byte</span>.Parse(cssString.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>                        <span class="keywordtype">byte</span> b = <span class="keywordtype">byte</span>.Parse(cssString.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>                        <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">FromRgb</a>(r, g, b);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>                    }</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cssString.Length == 8)</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>                    {</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>                        <span class="keywordtype">byte</span> r = <span class="keywordtype">byte</span>.Parse(cssString.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>                        <span class="keywordtype">byte</span> g = <span class="keywordtype">byte</span>.Parse(cssString.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>                        <span class="keywordtype">byte</span> b = <span class="keywordtype">byte</span>.Parse(cssString.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>                        <span class="keywordtype">byte</span> a = <span class="keywordtype">byte</span>.Parse(cssString.Substring(6, 2), System.Globalization.NumberStyles.HexNumber);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>                        <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(r, g, b, a);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>                    }</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>                    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>                    {</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>                        <span class="keywordflow">return</span> <span class="keyword">null</span>;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>                    }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>                }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>                <span class="keywordflow">catch</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>                {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>                    <span class="keywordflow">return</span> <span class="keyword">null</span>;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>                }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>            }</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cssString.StartsWith(<span class="stringliteral">&quot;rgb(&quot;</span>) || cssString.StartsWith(<span class="stringliteral">&quot;rgba(&quot;</span>))</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>            {</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>                <span class="keywordflow">try</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>                {</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>                    cssString = cssString.Substring(cssString.IndexOf(<span class="stringliteral">&quot;(&quot;</span>) + 1).Replace(<span class="stringliteral">&quot;)&quot;</span>, <span class="stringliteral">&quot;&quot;</span>).Replace(<span class="stringliteral">&quot; &quot;</span>, <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>                    <span class="keywordtype">string</span>[] splitCssString = cssString.Split(<span class="charliteral">&#39;,&#39;</span>);</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>                    <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> = ParseColourValueOrPercentage(splitCssString[0]);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>                    <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> = ParseColourValueOrPercentage(splitCssString[1]);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>                    <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> = ParseColourValueOrPercentage(splitCssString[2]);</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>                    <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a> = 1;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>                    <span class="keywordflow">if</span> (splitCssString.Length == 4)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>                    {</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>                        <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a> = <span class="keywordtype">double</span>.Parse(splitCssString[3], System.Globalization.CultureInfo.InvariantCulture);</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>                    }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>                    <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>, <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>, <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>, <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">A</a>);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>                }</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>                <span class="keywordflow">catch</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>                {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>                    <span class="keywordflow">return</span> <span class="keyword">null</span>;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>                }</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>            }</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>            {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>                <span class="keywordflow">if</span> (StandardColours.TryGetValue(cssString, out <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> tbr))</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>                {</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>                    <span class="keywordflow">return</span> tbr;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>                }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>                {</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>                    <span class="keywordflow">return</span> <span class="keyword">null</span>;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>                }</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>            }</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>        }</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>        <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">double</span> ParseColourValueOrPercentage(<span class="keywordtype">string</span> value)</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        {</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>            <span class="keywordflow">if</span> (<span class="keywordtype">int</span>.TryParse(value, out <span class="keywordtype">int</span> tbr))</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>            {</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>                <span class="keywordflow">return</span> tbr / 255.0;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>            }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value.Contains(<span class="stringliteral">&quot;%&quot;</span>))</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>            {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>                <span class="keywordflow">return</span> <span class="keywordtype">double</span>.Parse(value.Replace(<span class="stringliteral">&quot;%&quot;</span>, <span class="stringliteral">&quot;&quot;</span>), System.Globalization.CultureInfo.InvariantCulture) / 100.0;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>            }</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>            {</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>                <span class="keywordflow">return</span> <span class="keywordtype">double</span>.Parse(value, System.Globalization.CultureInfo.InvariantCulture);</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>            }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>        }</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="comment"></span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="comment">        /// Create a new &lt;see cref=&quot;Colour&quot;/&gt; with the same RGB components as the &lt;paramref name=&quot;original&quot;/&gt; &lt;see cref=&quot;Colour&quot;/&gt;, but with the specified &lt;paramref name=&quot;alpha&quot;/&gt;.</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="comment">        /// &lt;param name=&quot;original&quot;&gt;The original &lt;see cref=&quot;Colour&quot;/&gt; from which the RGB components will be taken.&lt;/param&gt;</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;The alpha component of the new &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/param&gt;</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the same RGB components as the &lt;paramref name=&quot;original&quot;/&gt; &lt;see cref=&quot;Colour&quot;/&gt; and the specified &lt;paramref name=&quot;alpha&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#aa13c5ba1a5131ecaf5cae5c4504b728f">  340</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#aa13c5ba1a5131ecaf5cae5c4504b728f">WithAlpha</a>(<a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> original, <span class="keywordtype">double</span> alpha)</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>        {</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>, original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>, original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>, alpha);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        }</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="comment"></span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">        /// Create a new &lt;see cref=&quot;Colour&quot;/&gt; with the same RGB components as the &lt;paramref name=&quot;original&quot;/&gt; &lt;see cref=&quot;Colour&quot;/&gt;, but with the specified &lt;paramref name=&quot;alpha&quot;/&gt;.</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="comment">        /// &lt;param name=&quot;original&quot;&gt;The original &lt;see cref=&quot;Colour&quot;/&gt; from which the RGB components will be taken.&lt;/param&gt;</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;The alpha component of the new &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/param&gt;</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the same RGB components as the &lt;paramref name=&quot;original&quot;/&gt; &lt;see cref=&quot;Colour&quot;/&gt; and the specified &lt;paramref name=&quot;alpha&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a101beca37dee249c59d615aac6943c89">  351</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a101beca37dee249c59d615aac6943c89">WithAlpha</a>(<a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> original, <span class="keywordtype">byte</span> alpha)</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>        {</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>, original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>, original.<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>, (<span class="keywordtype">double</span>)alpha / 255.0);</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>        }</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment"></span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span><span class="comment">        /// Create a new &lt;see cref=&quot;Colour&quot;/&gt; with the same RGB components as the current &lt;see cref=&quot;Colour&quot;/&gt;, but with the specified &lt;paramref name=&quot;alpha&quot;/&gt;.</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;The alpha component of the new &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/param&gt;</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the same RGB components as the current &lt;see cref=&quot;Colour&quot;/&gt; and the specified &lt;paramref name=&quot;alpha&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="comment"></span>        [Pure]</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#afccab5755d0a369205b1af623b088495">  362</a></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#afccab5755d0a369205b1af623b088495">WithAlpha</a>(<span class="keywordtype">double</span> alpha)</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>        {</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(this.R, this.G, this.B, alpha);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>        }</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="comment"></span> </div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="comment">        /// Create a new &lt;see cref=&quot;Colour&quot;/&gt; with the same RGB components as the current &lt;see cref=&quot;Colour&quot;/&gt;, but with the specified &lt;paramref name=&quot;alpha&quot;/&gt;.</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;The alpha component of the new &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/param&gt;</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; struct with the same RGB components as the current &lt;see cref=&quot;Colour&quot;/&gt; and the specified &lt;paramref name=&quot;alpha&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="comment"></span>        [Pure]</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#ad2de8feb0735ee2b49cb79604f3c1e98">  373</a></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ad2de8feb0735ee2b49cb79604f3c1e98">WithAlpha</a>(<span class="keywordtype">byte</span> alpha)</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>        {</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">FromRgba</a>(this.R, this.G, this.B, (<span class="keywordtype">double</span>)alpha / 255.0);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>        }</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="comment"></span> </div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment">        /// Converts a &lt;see cref=&quot;Colour&quot;/&gt; to the CIE XYZ colour space.</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;ValueTuple&quot;/&gt; containing the X, Y and Z components of the &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a5ed47990a818398b78ad058114fb6ee3">  382</a></span><span class="comment"></span>        <span class="keyword">public</span> (<span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a5ed47990a818398b78ad058114fb6ee3">X</a>, <span class="keywordtype">double</span> Y, <span class="keywordtype">double</span> Z) ToXYZ()</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>        {</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>            <span class="keywordtype">double</span> r, g, b;</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span> </div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>            <span class="keywordflow">if</span> (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> &lt;= 0.04045)</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>            {</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>                r = 25 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> / 323;</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>            }</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>            {</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>                r = Math.Pow((200 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> + 11) / 211, 2.4);</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>            }</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>            <span class="keywordflow">if</span> (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> &lt;= 0.04045)</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>            {</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>                g = 25 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> / 323;</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>            }</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>            {</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>                g = Math.Pow((200 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> + 11) / 211, 2.4);</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>            }</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>            <span class="keywordflow">if</span> (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> &lt;= 0.04045)</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>            {</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>                b = 25 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> / 323;</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>            }</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>            {</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>                b = Math.Pow((200 * <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> + 11) / 211, 2.4);</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>            }</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span> </div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>            <span class="keywordtype">double</span> x = 0.41239080 * r + 0.35758434 * g + 0.18048079 * b;</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>            <span class="keywordtype">double</span> y = 0.21263901 * r + 0.71516868 * g + 0.07219232 * b;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>            <span class="keywordtype">double</span> z = 0.01933082 * r + 0.11919478 * g + 0.95053215 * b;</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>            <span class="keywordflow">return</span> (x, y, z);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>        }</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment"></span> </div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment">        /// Creates a &lt;see cref=&quot;Colour&quot;/&gt; from CIE XYZ coordinates.</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment">        /// &lt;param name=&quot;x&quot;&gt;The X coordinate.&lt;/param&gt;</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment">        /// &lt;param name=&quot;y&quot;&gt;The Y coordinate.&lt;/param&gt;</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment">        /// &lt;param name=&quot;z&quot;&gt;The Z coordinate.&lt;/param&gt;</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment">        /// &lt;returns&gt;An sRGB &lt;see cref=&quot;Colour&quot;/&gt; created from the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a06906799e8fdb654fed1db65dc8ea716">  427</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a06906799e8fdb654fed1db65dc8ea716">FromXYZ</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z)</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>        {</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>            <span class="keywordtype">double</span> r = +3.24096994 * x - 1.53738318 * y - 0.49861076 * z;</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>            <span class="keywordtype">double</span> g = -0.96924364 * x + 1.8759675 * y + 0.04155506 * z;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>            <span class="keywordtype">double</span> b = 0.05563008 * x - 0.20397696 * y + 1.05697151 * z;</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span> </div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>            <span class="keywordflow">if</span> (r &lt;= 0.0031308)</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>            {</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>                r = 323 * r / 25;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>            }</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>            {</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>                r = (211 * Math.Pow(r, 1 / 2.4) - 11) / 200;</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>            }</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span> </div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>            <span class="keywordflow">if</span> (g &lt;= 0.0031308)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>            {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>                g = 323 * g / 25;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>            }</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>            {</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>                g = (211 * Math.Pow(g, 1 / 2.4) - 11) / 200;</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>            }</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span> </div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>            <span class="keywordflow">if</span> (b &lt;= 0.0031308)</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>            {</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>                b = 323 * b / 25;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>            }</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>            {</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>                b = (211 * Math.Pow(b, 1 / 2.4) - 11) / 200;</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>            }</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>            r = Math.Min(Math.Max(0, r), 1);</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>            g = Math.Min(Math.Max(0, g), 1);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>            b = Math.Min(Math.Max(0, b), 1);</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span> </div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">FromRgb</a>(r, g, b);</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>        }</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span><span class="comment"></span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span><span class="comment">        /// Converts a &lt;see cref=&quot;Colour&quot;/&gt; to the CIE Lab colour space (under Illuminant D65).</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;ValueType&quot;/&gt; containing the L*, a* and b* components of the &lt;see cref=&quot;Colour&quot;/&gt;.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">  471</a></span><span class="comment"></span>        <span class="keyword">public</span> (<span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a>, <span class="keywordtype">double</span> a, <span class="keywordtype">double</span> b) ToLab()</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>        {</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>            <span class="keywordtype">double</span> f(<span class="keywordtype">double</span> t)</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>            {</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>                <span class="keyword">const</span> <span class="keywordtype">double</span> d = 6.0 / 29;</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span> </div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>                <span class="keywordflow">if</span> (t &gt; d * d * d)</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>                {</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>                    <span class="keywordflow">return</span> Math.Pow(t, 1.0 / 3);</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>                }</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>                {</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>                    <span class="keywordflow">return</span> t / (3 * d * d) + 4.0 / 29;</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>                }</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>            }</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span> </div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> xN = 0.950489;</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> yN = 1;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> zN = 1.088840;</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>            (<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z) = this.ToXYZ();</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span> </div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>            <span class="keywordtype">double</span> fY = f(y / yN);</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span> </div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>            <span class="keywordtype">double</span> l = 1.16 * fY - 0.16;</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>            <span class="keywordtype">double</span> a = 5 * (f(x / xN) - fY);</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>            <span class="keywordtype">double</span> b = 2 * (fY - f(z / zN));</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span> </div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>            <span class="keywordflow">return</span> (l, a, b);</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>        }</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span><span class="comment"></span> </div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span><span class="comment">        /// Creates a &lt;see cref=&quot;Colour&quot;/&gt; from CIE Lab coordinates (under Illuminant D65).</span></div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span><span class="comment">        /// &lt;param name=&quot;L&quot;&gt;The L* component.&lt;/param&gt;</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span><span class="comment">        /// &lt;param name=&quot;a&quot;&gt;The a* component.&lt;/param&gt;</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span><span class="comment">        /// &lt;param name=&quot;b&quot;&gt;The b* component.&lt;/param&gt;</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span><span class="comment">        /// &lt;returns&gt;An sRGB &lt;see cref=&quot;Colour&quot;/&gt; created from the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a62b14ab9030bbf551742b2a57c2802c3">  509</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a62b14ab9030bbf551742b2a57c2802c3">FromLab</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a>, <span class="keywordtype">double</span> a, <span class="keywordtype">double</span> b)</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>        {</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>            <span class="keywordtype">double</span> f(<span class="keywordtype">double</span> t)</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>            {</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>                <span class="keyword">const</span> <span class="keywordtype">double</span> d = 6.0 / 29;</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span> </div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>                <span class="keywordflow">if</span> (t &gt; d)</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>                {</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>                    <span class="keywordflow">return</span> t * t * t;</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>                }</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>                {</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>                    <span class="keywordflow">return</span> 3 * d * d * (t - 4.0 / 29);</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>                }</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>            }</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span> </div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> xN = 0.950489;</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> yN = 1;</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>            <span class="keyword">const</span> <span class="keywordtype">double</span> zN = 1.088840;</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span> </div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>            <span class="keywordtype">double</span> x = xN * f((<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a> + 0.16) / 1.16 + a / 5);</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>            <span class="keywordtype">double</span> y = yN * f((<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a> + 0.16) / 1.16);</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>            <span class="keywordtype">double</span> z = zN * f((<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a> + 0.16) / 1.16 - b / 2);</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span> </div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a06906799e8fdb654fed1db65dc8ea716">FromXYZ</a>(x, y, z);</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>        }</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span><span class="comment"></span> </div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span><span class="comment">        /// Converts a &lt;see cref=&quot;Colour&quot;/&gt; to the HSL colour space.</span></div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;ValueType&quot;/&gt; containing the H, S and L components of the &lt;see cref=&quot;Colour&quot;/&gt;. Each component has range [0, 1].&lt;/returns&gt;</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a68497c53ff0fead819d2c166f186866e">  540</a></span><span class="comment"></span>        <span class="keyword">public</span> (<span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a68497c53ff0fead819d2c166f186866e">H</a>, <span class="keywordtype">double</span> S, <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">L</a>) ToHSL()</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>        {</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>            <span class="keywordtype">double</span> xMax = Math.Max(Math.Max(<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>, <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>), <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>);</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>            <span class="keywordtype">double</span> xMin = Math.Min(Math.Min(<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>, <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>), <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>);</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>            <span class="keywordtype">double</span> l = (xMax + xMin) * 0.5;</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span> </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>            <span class="keywordtype">double</span> h;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>            <span class="keywordflow">if</span> (xMax == xMin)</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>            {</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>                h = 0;</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>            }</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (xMax == <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>)</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>            {</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>                h = (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a> - <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a>) / (xMax - xMin) / 6;</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>            }</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (xMax == <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>)</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>            {</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>                h = (2 + (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">B</a> - <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a>) / (xMax - xMin)) / 6;</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>            }</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>            {</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>                h = (4 + (<a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">R</a> - <a class="code hl_variable" href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">G</a>) / (xMax - xMin)) / 6;</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>            }</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span> </div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>            <span class="keywordtype">double</span> s;</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>            <span class="keywordflow">if</span> (l == 0 || l == 1)</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>            {</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>                s = 0;</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>            }</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>            {</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>                s = (xMax - l) / Math.Min(l, 1 - l);</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>            }</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span> </div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>            <span class="keywordflow">return</span> (h, s, l);</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>        }</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span><span class="comment"></span> </div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span><span class="comment">        /// Creates a &lt;see cref=&quot;Colour&quot;/&gt; from HSL coordinates.</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span><span class="comment">        /// &lt;param name=&quot;h&quot;&gt;The H component. Should be in range [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span><span class="comment">        /// &lt;param name=&quot;s&quot;&gt;The S component. Should be in range [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span><span class="comment">        /// &lt;param name=&quot;l&quot;&gt;The L component. Should be in range [0, 1].&lt;/param&gt;</span></div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span><span class="comment">        /// &lt;returns&gt;A &lt;see cref=&quot;Colour&quot;/&gt; created from the specified components.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_colour.html#a1ab093740db80d3af9d4c925170cdad5">  587</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keyword">static</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a> <a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a1ab093740db80d3af9d4c925170cdad5">FromHSL</a>(<span class="keywordtype">double</span> h, <span class="keywordtype">double</span> s, <span class="keywordtype">double</span> l)</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>        {</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>            <span class="keywordtype">double</span> c = (1 - Math.Abs(2 * l - 1)) * s;</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>            <span class="keywordtype">double</span> hp = h * 6;</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span> </div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>            <span class="keywordtype">double</span> x = c * (1 - Math.Abs((hp % 2) - 1));</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span> </div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>            <span class="keywordtype">double</span> r1, g1, b1;</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span> </div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>            <span class="keywordflow">if</span> (hp &lt;= 1)</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>            {</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span>                r1 = c;</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>                g1 = x;</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>                b1 = 0;</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span>            }</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hp &lt;= 2)</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>            {</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span>                r1 = x;</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>                g1 = c;</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span>                b1 = 0;</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>            }</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hp &lt;= 3)</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>            {</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>                r1 = 0;</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>                g1 = c;</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>                b1 = x;</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>            }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hp &lt;= 4)</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>            {</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>                r1 = 0;</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>                g1 = x;</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span>                b1 = c;</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span>            }</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hp &lt;= 5)</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span>            {</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span>                r1 = x;</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span>                g1 = 0;</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span>                b1 = c;</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span>            }</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hp &lt;= 6)</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span>            {</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>                r1 = c;</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>                g1 = 0;</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>                b1 = x;</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span>            }</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span>            {</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span>                r1 = 0;</div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span>                g1 = 0;</div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span>                b1 = 0;</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span>            }</div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span> </div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span>            <span class="keywordtype">double</span> m = l - c / 2;</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span> </div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span>            <span class="keywordflow">return</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_colour.html">Colour</a>.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">FromRgb</a>(r1 + m, g1 + m, b1 + m);</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span>        }</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span> </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>        [DebuggerBrowsable(DebuggerBrowsableState.Never)]</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>        <span class="keyword">private</span> <span class="keywordtype">string</span> DebuggerDisplay</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>        {</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>            <span class="keyword">get</span></div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span>            {</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span>                <span class="keywordflow">return</span> this.<a class="code hl_function" href="struct_vect_sharp_1_1_colour.html#a2ac682d76a238254e3d750254820a9af">ToCSSString</a>(this.A != 1);</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>            }</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>        }</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span>    }</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span>}</div>
<div class="ttc" id="anamespace_vect_sharp_html"><div class="ttname"><a href="namespace_vect_sharp.html">VectSharp</a></div><div class="ttdef"><b>Definition:</b> <a href="_animation_8cs_source.html#l00025">Animation.cs:26</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html">VectSharp.Colour</a></div><div class="ttdoc">Represents an RGB colour.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00028">Colour.cs:29</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a06906799e8fdb654fed1db65dc8ea716"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a06906799e8fdb654fed1db65dc8ea716">VectSharp.Colour.FromXYZ</a></div><div class="ttdeci">static Colour FromXYZ(double x, double y, double z)</div><div class="ttdoc">Creates a Colour from CIE XYZ coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00427">Colour.cs:427</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a082c62de97d68e4e9c39c174b1a8b115"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a082c62de97d68e4e9c39c174b1a8b115">VectSharp.Colour.L</a></div><div class="ttdeci">double L</div><div class="ttdoc">Converts a Colour to the CIE Lab colour space (under Illuminant D65).</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00471">Colour.cs:471</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a0e7aca2b6d5ca6a18ec9090b2ea54e63"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a0e7aca2b6d5ca6a18ec9090b2ea54e63">VectSharp.Colour.operator!=</a></div><div class="ttdeci">static bool operator!=(Colour col1, Colour col2)</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00194">Colour.cs:194</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a101beca37dee249c59d615aac6943c89"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a101beca37dee249c59d615aac6943c89">VectSharp.Colour.WithAlpha</a></div><div class="ttdeci">static Colour WithAlpha(Colour original, byte alpha)</div><div class="ttdoc">Create a new Colour with the same RGB components as the original  Colour, but with the specified alph...</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00351">Colour.cs:351</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a114451c549f2636cb93a20aaa0519d8a"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a114451c549f2636cb93a20aaa0519d8a">VectSharp.Colour.Equals</a></div><div class="ttdeci">override bool Equals(object obj)</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00169">Colour.cs:169</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a1ab093740db80d3af9d4c925170cdad5"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a1ab093740db80d3af9d4c925170cdad5">VectSharp.Colour.FromHSL</a></div><div class="ttdeci">static Colour FromHSL(double h, double s, double l)</div><div class="ttdoc">Creates a Colour from HSL coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00587">Colour.cs:587</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a2588faa7d3c92467f715db1fff82e214"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a2588faa7d3c92467f715db1fff82e214">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba((int r, int g, int b, double a) colour)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00163">Colour.cs:163</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a2ac682d76a238254e3d750254820a9af"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a2ac682d76a238254e3d750254820a9af">VectSharp.Colour.ToCSSString</a></div><div class="ttdeci">string ToCSSString(bool includeAlpha)</div><div class="ttdoc">Convert the Colour object into a hex string that is constituted by a &quot;#&quot; followed by two-digit hexade...</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00211">Colour.cs:211</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a3d890c9efeae548a18e00ae396f7789c"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a3d890c9efeae548a18e00ae396f7789c">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba(byte r, byte g, byte b, double a)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00128">Colour.cs:128</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a4477a64d804a1624ec1fa27773be1885"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a4477a64d804a1624ec1fa27773be1885">VectSharp.Colour.R</a></div><div class="ttdeci">double R</div><div class="ttdoc">Red component of the colour. Range: [0, 1].</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00033">Colour.cs:33</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a4c316cac2ed75e622e2f86c608cc8abe"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a4c316cac2ed75e622e2f86c608cc8abe">VectSharp.Colour.FromCSSString</a></div><div class="ttdeci">static ? Colour FromCSSString(string cssString)</div><div class="ttdoc">Convert a CSS colour string into a Colour object.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00228">Colour.cs:228</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a54a2e4dac2e76d24394fe9d40117fae9"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a54a2e4dac2e76d24394fe9d40117fae9">VectSharp.Colour.GetHashCode</a></div><div class="ttdeci">override int GetHashCode()</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00200">Colour.cs:200</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a5ae01d2810757c45611de9c02d11d359"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a5ae01d2810757c45611de9c02d11d359">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba(int r, int g, int b, double a)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00153">Colour.cs:153</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a5ed47990a818398b78ad058114fb6ee3"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a5ed47990a818398b78ad058114fb6ee3">VectSharp.Colour.X</a></div><div class="ttdeci">double X</div><div class="ttdoc">Converts a Colour to the CIE XYZ colour space.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00382">Colour.cs:382</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a611fe30e3066c79106d7b7aeaec38f57"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a611fe30e3066c79106d7b7aeaec38f57">VectSharp.Colour.FromRgb</a></div><div class="ttdeci">static Colour FromRgb(byte r, byte g, byte b)</div><div class="ttdoc">Create a new colour from RGB (red, green and blue) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00077">Colour.cs:77</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a62b14ab9030bbf551742b2a57c2802c3"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a62b14ab9030bbf551742b2a57c2802c3">VectSharp.Colour.FromLab</a></div><div class="ttdeci">static Colour FromLab(double L, double a, double b)</div><div class="ttdoc">Creates a Colour from CIE Lab coordinates (under Illuminant D65).</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00509">Colour.cs:509</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a68497c53ff0fead819d2c166f186866e"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a68497c53ff0fead819d2c166f186866e">VectSharp.Colour.H</a></div><div class="ttdeci">double H</div><div class="ttdoc">Converts a Colour to the HSL colour space.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00540">Colour.cs:540</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a781c5f8f24851eb327b75b0c17a2a959"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a781c5f8f24851eb327b75b0c17a2a959">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba(int r, int g, int b, int a)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00140">Colour.cs:140</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a782d99b814c42de20e4ab90422752788"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a782d99b814c42de20e4ab90422752788">VectSharp.Colour.A</a></div><div class="ttdeci">double A</div><div class="ttdoc">Alpha component of the colour. Range: [0, 1].</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00048">Colour.cs:48</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a80787f39829f01b38291bb429214d6ae"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a80787f39829f01b38291bb429214d6ae">VectSharp.Colour.FromRgb</a></div><div class="ttdeci">static Colour FromRgb(double r, double g, double b)</div><div class="ttdoc">Create a new colour from RGB (red, green and blue) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00065">Colour.cs:65</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_a976b67231d8f9fa1e8636d27f7d840c3"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#a976b67231d8f9fa1e8636d27f7d840c3">VectSharp.Colour.FromRgb</a></div><div class="ttdeci">static Colour FromRgb(int r, int g, int b)</div><div class="ttdoc">Create a new colour from RGB (red, green and blue) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00089">Colour.cs:89</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_aa13c5ba1a5131ecaf5cae5c4504b728f"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#aa13c5ba1a5131ecaf5cae5c4504b728f">VectSharp.Colour.WithAlpha</a></div><div class="ttdeci">static Colour WithAlpha(Colour original, double alpha)</div><div class="ttdoc">Create a new Colour with the same RGB components as the original  Colour, but with the specified alph...</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00340">Colour.cs:340</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_ab1748b8f2f362494aa2175efa15f886a"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#ab1748b8f2f362494aa2175efa15f886a">VectSharp.Colour.Equals</a></div><div class="ttdeci">bool Equals(Colour col)</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00182">Colour.cs:182</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_ab7f6945a159dbb984e9fb1148c6db532"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#ab7f6945a159dbb984e9fb1148c6db532">VectSharp.Colour.operator==</a></div><div class="ttdeci">static bool operator==(Colour col1, Colour col2)</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00188">Colour.cs:188</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_abbc0931103077c92cd2e08d3fbe4806b"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#abbc0931103077c92cd2e08d3fbe4806b">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba(byte r, byte g, byte b, byte a)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00115">Colour.cs:115</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_ad2de8feb0735ee2b49cb79604f3c1e98"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#ad2de8feb0735ee2b49cb79604f3c1e98">VectSharp.Colour.WithAlpha</a></div><div class="ttdeci">Colour WithAlpha(byte alpha)</div><div class="ttdoc">Create a new Colour with the same RGB components as the current Colour, but with the specified alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00373">Colour.cs:373</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_ad3312c38e132d1ed0eaf1177dcfb29af"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#ad3312c38e132d1ed0eaf1177dcfb29af">VectSharp.Colour.G</a></div><div class="ttdeci">double G</div><div class="ttdoc">Green component of the colour. Range: [0, 1].</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00038">Colour.cs:38</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_ae8dc3a457be395b0350db3508424a324"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#ae8dc3a457be395b0350db3508424a324">VectSharp.Colour.FromRgba</a></div><div class="ttdeci">static Colour FromRgba(double r, double g, double b, double a)</div><div class="ttdoc">Create a new colour from RGBA (red, green, blue and alpha) values.</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00102">Colour.cs:102</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_af8fa726997f5d224f447571818fd9054"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#af8fa726997f5d224f447571818fd9054">VectSharp.Colour.B</a></div><div class="ttdeci">double B</div><div class="ttdoc">Blue component of the colour. Range: [0, 1].</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00043">Colour.cs:43</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_colour_html_afccab5755d0a369205b1af623b088495"><div class="ttname"><a href="struct_vect_sharp_1_1_colour.html#afccab5755d0a369205b1af623b088495">VectSharp.Colour.WithAlpha</a></div><div class="ttdeci">Colour WithAlpha(double alpha)</div><div class="ttdoc">Create a new Colour with the same RGB components as the current Colour, but with the specified alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="_colour_8cs_source.html#l00362">Colour.cs:362</a></div></div>
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